Slides in this set

Slide 1

Slide 2

The effects of misleadinginformation on theaccuracy of Eye witnesstestimony. Memories laid down at the time are fragile and subject to distortion. Loftus (1992) called this `misinformation acceptance' where people accept misleading information into their current memory.…read more

Slide 3

Research.. Loftus (1975) Loftus showed participants a film of events leading up to a car crash. After the film, participants were split into two groups, experimental & control. The control group was asked questions on what had actually happened ( how fast was the white sports car going when it past the stop sign?) However the experimental group was asked a question including misleading information (how fast was the car going when it past the barn?). There was no barn. 17% of people in the experimental group had said they had seen the barn, only 3% of the control group had made this mistake. Loftus had concluded that some people in the experimental group had absorbed this new information into their memory.…read more

Slide 4

Methodical issues &ethical issues Controlled laboratory experiment. Loftus used realistic material.. Film footage of a car accident. Many critics say that her participants were subject to demand characteristics. Did not obtain full informed consent as she did not reveal that she was going to ask misleading questions.…read more

Slide 5

Anxieties effect onEWT Laboratory based studies have shown impaired recall in people who have witnessed unpleasant or anxiety inducing situations. Research ­ Loftus - Loftus in (1979) reported a phenomenon known as `weapon effect'. - p's were asked to sit outside a lab where they thought they were hearing genuine exchanges between two people C1 ­ They heard a discussion about equipment failure, A man then left the lab with a pen. C2 ­ They heard a hostile discussion, followed by the sound of breaking glass. A man then leaves lab holding a knife covered in blood. P's then given 50 photos and asked to identify the man with the knife, people who had witnessed peaceful scene were more accurate then those who had witnessed the…read more

Slide 6

However.. Christianson and Hubinette (1993) reported that in real life incidents involving high levels of stress, memory can be more accurate, detailed and long lasting. They carried out a survey among 110 people, who had witnessed between them 22 bank robberies Some people where bystanders and some had been directly threatened. The victims who had been subject to greatest anxiety had showed more detail than the other people.…read more

Slides in this set

Slide 1

Slide 2

The effects of misleadinginformation on theaccuracy of Eye witnesstestimony. Memories laid down at the time are fragile and subject to distortion. Loftus (1992) called this `misinformation acceptance' where people accept misleading information into their current memory.…read more

Slide 3

Research.. Loftus (1975) Loftus showed participants a film of events leading up to a car crash. After the film, participants were split into two groups, experimental & control. The control group was asked questions on what had actually happened ( how fast was the white sports car going when it past the stop sign?) However the experimental group was asked a question including misleading information (how fast was the car going when it past the barn?). There was no barn. 17% of people in the experimental group had said they had seen the barn, only 3% of the control group had made this mistake. Loftus had concluded that some people in the experimental group had absorbed this new information into their memory.…read more

Slide 4

Methodical issues &ethical issues Controlled laboratory experiment. Loftus used realistic material.. Film footage of a car accident. Many critics say that her participants were subject to demand characteristics. Did not obtain full informed consent as she did not reveal that she was going to ask misleading questions.…read more

Slide 5

Anxieties effect onEWT Laboratory based studies have shown impaired recall in people who have witnessed unpleasant or anxiety inducing situations. Research ­ Loftus - Loftus in (1979) reported a phenomenon known as `weapon effect'. - p's were asked to sit outside a lab where they thought they were hearing genuine exchanges between two people C1 ­ They heard a discussion about equipment failure, A man then left the lab with a pen. C2 ­ They heard a hostile discussion, followed by the sound of breaking glass. A man then leaves lab holding a knife covered in blood. P's then given 50 photos and asked to identify the man with the knife, people who had witnessed peaceful scene were more accurate then those who had witnessed the…read more

Slide 6

However.. Christianson and Hubinette (1993) reported that in real life incidents involving high levels of stress, memory can be more accurate, detailed and long lasting. They carried out a survey among 110 people, who had witnessed between them 22 bank robberies Some people where bystanders and some had been directly threatened. The victims who had been subject to greatest anxiety had showed more detail than the other people.…read more